What is the y-value in the solution to this system of linear equations? 4x + 5y = −12

-2x + 3y = −16

A: −4
B: −2
C: 2
D: 5

-4

Step-by-step explanation:

cause 4x4 = 16 and 4+5 =o so you could use four in each one right

.mp4 files, because, video

geometry: triangles

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lessons

answers archive

call the larger triangle abc

then the smaller triangle cde is similar to abc (all angles are equal, aaa).  

ab is the side that is 36, and we wish to find de, the side corresponding to ab

area_cde = area_abc - area_cde --> area_abc / area_cde = 2

let x=length of de

ratio of areas = (ratio of sides)^2

+2+=+%2836%2fx%29%5e2+

+2+=+1296%2fx%5e2+

++x%5e2+=+1296%2f2+=+648+

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